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46results about How to "Uniform perfusion" patented technology

Hole sealing grout stop material and grouting hole sealing process

The invention discloses a hole sealing grout stop material, which is a hole sealing grout stop material for guaranteeing grouting pressurization under the condition of loose permeable rock-soil body, high underground level or confined water. The hole sealing grout stop material is mainly prepared from clay primary grout, cement and sodium metaaluminate, wherein every 2 L of clay primary grout is mixed with 700-900 g of cement and 12.5-17.5 g of sodium metaaluminate. A grouting hole sealing process comprises hole sealing operation and grouting operation, wherein the hole sealing operation specifically comprises the following steps of: after forming a hole, dropping a grouting pipe to the bottom of the hole and mounting a orifice closer; opening the orifice closer and injecting the hole sealing grout stop material; closing the orifice closer and flushing the grouting pipe by using stable grout; and opening the orifice closer, performing grouting operation after solidifying the hole sealing grout stop material, and guaranteeing reliable hole sealing grouting through continuous lift grouting. The grouting hole sealing process has the advantages of simple steps, less equipment investment, high applicability, capabilities of guaranteeing the reliability of the hole sealing grout and increasing the grouting efficiency and the like.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Vacuumizing, liquid filling and sealing device and method for plate multi-channel heat pipe

The invention discloses a vacuumizing, liquid filling and sealing device for a plate multi-channel heat pipe. The vacuumizing, liquid filling and sealing device comprises a vacuum cavity connected with a vacuum valve, a quantitative liquid filling pump, a liquid filling plate and sealing molds; a cavity is formed in the liquid filling plate, one end of the liquid filling plate is provided with a liquid inlet connected with the quantitative liquid filling pump, and the other end of the liquid filling plate is provided with a plurality of liquid filling holes of which the number is the same as that of channels of the plate heat pipe and the positions correspond to those of the channels of the plate heat pipe one to one; the liquid inlet is connected with the quantitative liquid filling pumpthrough a pipeline, and the end with the liquid filling holes vertically stretches into the vacuum cavity from the upper end of the vacuum cavity in a sealing and matching mode; and sealing ports usedfor allowing the plate heat pipe to be filled with liquid to stretch into the vacuum cavity in a sealing and matching mode are oppositely arranged at the lower end of the vacuum cavity, and the sealing molds are arranged in the vacuum cavity and located on the two sides of the plate heat pipe. The invention further discloses a vacuumizing, liquid filling and sealing method for the plate multi-channel heat pipe. According to the vacuumizing, liquid filling and sealing device and method for the plate multi-channel heat pipe, the efficiency is high, the cost is low, the filling amount of all thechannels is same and precise, and the vacuumizing, liquid filling and sealing device and method are suitable for filling volatile and toxic working media.
Owner:SOUTH CHINA UNIV OF TECH +1

Construction method of waterproof structure of connection gap between anti-pulling pile and bottom plate

The invention provides a construction method of a waterproof structure of a connection gap between an anti-pulling pile and a bottom plate. The method comprises the following steps: breaking a pile head of an anti-pulling pile and straightening steel bars exposed out of the pile head part of the anti-pulling pile; arranging a plurality of slurry injection pipes on the pile head of the anti-pullingpile, wherein the bottom ends of the slurry injection pipes are located in the connection gap between the pile head of the anti-pulling pile and the bottom plate, and the top ends of the grouting pipes are higher than the top surface of the bottom plate; firstly coating a layer of cement-based crystallization waterproof coating and epoxy mortar on the top of the anti-pulling pile; arranging a circle of water-swelling water stop adhesive in contact positions between the steel bars on the pile head part of the anti-pulling pile and the concrete of the anti-pulling pile; paving waterproof rolls;arranging a circle of polyurethane sealant in the junctions between the waterproof rolls and the anti-pulling pile along the periphery of the anti-pulling pile body; casting a fine aggregate concreteprotection layer; and injecting the slurry into the plurality of slurry injection pipes. According to the construction method, the gap between the bottom plate and the anti-pulling pile is filled byinjecting the slurry into the slurry injection pipes, so that the waterproof effect is ensured.
Owner:CHINA COMM NORTH ROAD & BRIDGE

Grouting device for coal mine water disaster prevention and control

The invention relates to the technical field of coal mine water disaster prevention and control, and discloses a grouting device for coal mine water disaster prevention and control. The grouting device for coal mine water disaster prevention and control comprises a bottom plate, wherein supporting columns are fixedly mounted on two sides of the top of the bottom plate, a top plate is fixedly mounted on the tops of the supporting columns, and a lifting motor is fixedly mounted on the top of the top plate; a screw rod is fixedly mounted at the top of an output shaft of the lifting motor, a nut is in threaded connection with the outer wall of the screw rod and fixedly mounted in a lifting plate, and the lifting motor operates to drive the lifting plate and a grouting cylinder to descend through transmission of the screw rod and the nut, so that the grouting cylinder penetrates into a ground hole; a driving motor runs to drive a rotating shaft, a connecting column and a soil loosening auger to rotate through transmission of a worm gear and a worm, the soil loosening auger rotates to loosen a rock-soil body below the grouting cylinder, sinking of the grouting cylinder is facilitated, and the grouting cylinder cannot be blocked by the hard rock-soil body. The grouting device for coal mine water disaster prevention and control has the advantages of being convenient to drill into ground pores, uniform in grouting and large in grouting force.
Owner:魏贺

Experimental device for simulating soil splitting grouting indoors

The invention belongs to the technical field of constructional engineering instruments and equipment, and particularly relates to an experimental device for simulating soil splitting grouting indoors. The experimental device comprises a pressure supply device, a slurry storage tank, a support, an electronic scale, a grouting pipe and a model box. The pressure supply equipment is used for supplying pressure and pouring grout, simultaneous grouting is conducted through the grouting holes of different heights, and grouting work in the experiment process can be efficiently and evenly conducted. Acrylic glass plates and steel trusses on the periphery of the model box can be disassembled, assembling and disassembling are convenient, meanwhile, the model box can be directly filled with a soil body needing to be researched, the actual engineering environment can be simulated, the influence of slurry on the soil body can be visually observed, and the research requirement of the slurry diffusion mechanism is met. According to the experimental device, after a grouting experiment is completed and slurry is solidified, a soil body in the model box is excavated, and the trend of the slurry in the soil body, the distribution of slurry veins and the diffusion distance can be clearly observed due to the fact that a coloring agent is doped in the slurry.
Owner:YUNNAN CONSTR INVESTMENT HLDG GRP CO LTD

Acellularized scaffold type bioreactor for artificial liver and utilization method of acellularized scaffold type bioreactor for artificial liver

The invention discloses an acellularized scaffold type bioreactor for an artificial liver and a utilization method of the acellularized scaffold type bioreactor for the artificial liver. The acellularized scaffold type bioreactor comprises a bioreactor shell, an acellularized scaffold, a filling scaffold, liquid inlets and a liquid outlet. The bioreactor shell comprises an upper portion and a lower portion, each of the upper portion and the lower portion is in a hollow structure, and a first cavity in the upper portion and a second cavity in the lower portion are in threaded connection to form a cylindrical inner cavity. A middle region of the top of the upper portion is provided with an inner cavity liquid outlet, and a center region of the bottom of the lower portion is provided with an inner cavity main liquid inlet. The main liquid inlet is branched into a first liquid inlet and a second liquid inlet, the first liquid inlet is connected to a liquid inlet of the acellularized scaffold, and the second liquid inlet is connected to the filling scaffold. By the acellularized scaffold type bioreactor for the artificial liver, in-vivo perfusion can be simulated, and uniformity in perfusion and reduction of dead spaces are realized; shear force applied to liver cells can be reduced, a three-dimensional growing environment for the liver cells can be simulated, and the amount of the liver cells in the bioreactor is increased.
Owner:ZHEJIANG PROVINCIAL PEOPLES HOSPITAL

Intelligent cantilever assembling type long-span bridge wet joint pouring device

The invention relates to a cantilever-assembled large-span bridge wet joint pouring intelligent equipment, comprising a bottom plate, a pouring device is arranged at the front end of the bottom plate, a vibrating compaction device is arranged at the rear end of the bottom plate, and the pouring device includes a pouring support frame installed In the perfusion storage box on the bottom plate, a discharge port is arranged on the lower side of the front end of the perfusion storage box, and a perfusion adjustment mechanism is installed on the front end of the bottom plate. The present invention can solve the instability of artificially conveyed and poured concrete existing in the existing wet joint concrete pouring process, and it is easy to make the concrete splash to the position other than the connecting joint. Manual conveying of concrete cannot ensure the uniformity of concrete pouring, and manual use of existing vibration is required. The equipment vibrates and compacts the poured concrete. During the vibration process of wet joint concrete pouring, it is necessary to avoid the reinforcement cage. The operation is complicated, and the concrete cannot be fully vibrated manually, and the compactness of the concrete cannot be ensured, and the concrete will have holes. .
Owner:范满香

A filling device for sunscreen

The invention belongs to the technical field of sunscreen production, in particular to a filling device for sunscreen, comprising a worktable, a filling unit, a transmission unit, a stabilizing unit and a controller; the filling unit is located on the upper surface of the workbench; the upper beam of the bracket is symmetrical Two cylinders are fixedly connected, and there is a discharge pipe in the middle of the upper beam of the bracket; the lower end of the piston of each cylinder is connected to the bearing platform through a connecting block, and an electronic scale is installed on the upper surface of the bearing platform; the groove is used to hold packaging bottles; the electronic scale The outer ring is provided with a clamping unit, which includes a fixed ring, a fixed rod, a clamped rod and a No. 1 cylinder; the front end of the bracket is provided with a transmission unit; the motor is fixed on the workbench and connected to the conveyor belt through a belt; the conveyor belt is set on the motor On the support frame on one side, the conveyor belt is equipped with a stabilization unit; through the filling unit, clamping unit, transmission unit, stabilization unit and controller, the filling of the compound plant essential oil sunscreen liquid into the packaging bottle and the stable transmission of the packaging bottle are realized .
Owner:SUZHOU QINGZHI NETWORK TECH CO LTD

Automation equipment and method for pouring microbial agent in continuous lifting mode to cure tailings

The invention discloses automation equipment and a method for pouring a microbial agent in a continuous lifting mode to cure tailings. The automation equipment comprises a vehicle body, a drilling machine, a microbial agent mixing system, a high pressure air pump and a central control system, wherein the drilling machine, the microbial agent mixing system, the high pressure air pump and the central control system are all arranged on the vehicle body; a drill bit is arranged at the bottom of a drill stem of the drilling machine, the drill stem is a hollow pipe, a plurality of injection holes communicated with the outside are evenly drilled at one end, close to the drill bit, of the drill stem in the axial direction of the drill stem, the drill stem is sleeved with a protecting sleeve whichcan move up and down, the microbial agent mixing system and the high pressure air pump are both communicated with the hollow drill stem through pipelines, a microbial agent and high pressure air are respectively introduced into the drill stem and pumped into underground tailings through the drill stem, and the drilling machine, the microbial agent mixing system and the high-pressure air pump are all connected with the central control system and are controlled by the central control system. The automation equipment has the advantage of high automation degree; automation control on switch on-and-off of all valves, time setting, temperature control, pressure control, sensor data transmission and the like is achieved, and the pouring efficiency is improved.
Owner:INST OF ANIMAL SCI & VETERINARY MEDICINE SHANDONG ACADEMY OF AGRI SCI

Lead

An electrode catheter is provided with: a shaft (10) having a lumen (11) serving as a fluid passage; an irrigation member (20); and a distal end electrode (30). Irrigation openings (25A) for supplying liquid, which is supplied from the shaft (10), to the surface of the distal end electrode (30) are provided in the irrigation member (20) at equal angular intervals. The distal end of the irrigation member (20) has formed therein liquid guide grooves (26) respectively extending from the irrigation openings (25A) toward the distal end. The distal end electrode (30) has a spherical distal end section (31) including a maximum-diameter section (39) and also has a proximal end section (32). Liquid guide grooves (36) are formed in the surface of the distal end electrode (30), and the liquid guide grooves (36) respectively continue to the guide grooves (26) in the irrigation member (20) and extend toward the distal end until the liquid guide grooves (36) reach at least the maximum-diameter section (39). As a result, the electrode catheter is configured in such a manner that cauterization does not cause an abnormal temperature rise in a part of the distal end electrode, that the surface of the distal end electrode exhibits an excellent cooling effect and an excellent effect of preventing the formation of a thrombus, and that the electrode catheter can perform efficient cauterization treatment.
Owner:JAPAN LIFELINE CO LTD

Filling device for sunscreen cream

The invention belongs to the technical field of sunscreen cream production, and specifically discloses a filling device for sunscreen cream. The filling device comprises a workbench, a filling unit, aconveying unit, a stable unit and a controller, wherein the filling unit is positioned on the upper surface of the workbench; the upper beam of a bracket is symmetrically and fixedly connected with two gas cylinders; a discharge tube is arranged on the middle position of the upper beam of the bracket; the lower end of the piston of each gas cylinder is connected with a bearing table through a connecting block, and an electronic scale is arranged on the upper surface of the bearing table; a groove is used for containing a packaging bottle; the outer ring of the electronic scale is equipped with a clamping unit, and the clamping unit comprises a fixed ring, a fixed rod, a clamping rod and a gas cylinder I; the front end surface of the bracket is equipped with the conveying unit; a motor isfixedly arranged on the workbench, and is connected with a conveyor belt through a belt; the conveyor belt is arranged on a supporting frame at one side of the motor, and the stable unit is arranged on the conveyor belt; and the filling unit, the clamping unit, the conveying unit, the stable unit and the controller realize filling composite plant essential oil sunscreen cream liquid in the packaging bottle, and stable conveying of the packaging bottle.
Owner:SUZHOU QINGZHI NETWORK TECH CO LTD

Construction method of waterproof structure at joint between uplift pile and base plate

The invention provides a construction method of a waterproof structure of a connection gap between an anti-pulling pile and a bottom plate. The method comprises the following steps: breaking a pile head of an anti-pulling pile and straightening steel bars exposed out of the pile head part of the anti-pulling pile; arranging a plurality of slurry injection pipes on the pile head of the anti-pullingpile, wherein the bottom ends of the slurry injection pipes are located in the connection gap between the pile head of the anti-pulling pile and the bottom plate, and the top ends of the grouting pipes are higher than the top surface of the bottom plate; firstly coating a layer of cement-based crystallization waterproof coating and epoxy mortar on the top of the anti-pulling pile; arranging a circle of water-swelling water stop adhesive in contact positions between the steel bars on the pile head part of the anti-pulling pile and the concrete of the anti-pulling pile; paving waterproof rolls;arranging a circle of polyurethane sealant in the junctions between the waterproof rolls and the anti-pulling pile along the periphery of the anti-pulling pile body; casting a fine aggregate concreteprotection layer; and injecting the slurry into the plurality of slurry injection pipes. According to the construction method, the gap between the bottom plate and the anti-pulling pile is filled byinjecting the slurry into the slurry injection pipes, so that the waterproof effect is ensured.
Owner:CHINA COMM NORTH ROAD & BRIDGE
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